2.5 header back exhaust /w mufflers for 67-68 chevy camaro/pontiac firebird v8 does not fit convertible models without modifications to the crossmember/x-brace. You're going to love the deep, rich and throaty sound from our performance exhaust system. This item is in the category eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Exhaust System Kits.